OpenFreight
OpenFreight is an open-source shipping solution that smaller dev teams can self-host and customize. It includes a carrier integration framework for fetching rates, printing labels, and uploading tracking info. The API-based architecture allows flexible eCommerce or ERP connections. A basic UI manages shipments, addresses, and partial order fulfillment. Developers can add plugins for additional carriers or specialized workflows. By offering open-source code, OpenFreight suits tech-savvy businesses wanting full control over shipping logic, data storage, and custom carrier integrations without monthly subscription fees.